Finding the Fourth Proportional to 267,267.21, 400,619.21 and 98,679.62
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Solution
The fourth proportional to 267,267.21, 400,619.21 and 98,679.62 is: 147,915.45
Step by Step Solution
- Step 1: Write the proportion equation
267,267.21 : 400,619.21 = 98,679.62 : x - Step 2: Convert to fraction form
267,267.21/400,619.21 = 98,679.62/x - Step 3: Cross multiply
267,267.21x = 400,619.21 × 98,679.62 - Step 4: Simplify right side
267,267.21x = 39,532,948,911.01 - Step 5: Solve for x
x = 39,532,948,911.01/267,267.21 - Step 6: Final answer
x = 147,915.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.